CRYSTAL_LOG_LEVEL environment variable not work as expect?

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1 
# 1.cr

require "log"

Log.setup_from_env

class MyApp
  Log = ::Log.for(self)

  def run
    Log.debug { "the app is running" } # log from myapp source
  end
end

MyApp.new.run
Log.info { "finished" } # log from the top-level source

 ╰─ $ CRYSTAL_LOG_LEVEL=DEBUG CRYSTAL_LOG_SOURCES="*" crystal run 1.cr 
2022-09-11T15:14:29.911205Z   INFO - finished

 ╰─ $ crystal --version
Crystal 1.6.0-dev [d090fe371] (2022-09-08)

LLVM: 14.0.6
Default target: x86_64-pc-linux-gnu
2

It’s my fault, i read old version 0.34 API document. :joy: